Finding the Fourth Proportional to 1,942,575.40, 2,912,696.70 and 997,791.40
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Solution
The fourth proportional to 1,942,575.40, 2,912,696.70 and 997,791.40 is: 1,496,087.99
Step by Step Solution
- Step 1: Write the proportion equation
1,942,575.40 : 2,912,696.70 = 997,791.40 : x - Step 2: Convert to fraction form
1,942,575.40/2,912,696.70 = 997,791.40/x - Step 3: Cross multiply
1,942,575.40x = 2,912,696.70 × 997,791.40 - Step 4: Simplify right side
1,942,575.40x = 2,906,263,718,068.38 - Step 5: Solve for x
x = 2,906,263,718,068.38/1,942,575.40 - Step 6: Final answer
x = 1,496,087.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.